Product Features: This package comes with 2 pieces of energy monitors, enough for you to use and replace, and you can share them with your friends, colleagues and so on. You can prepare a power analyzer for your backup or send them to your friends, family members, girlfriend or boyfriend, relatives, colleagues, classmates and neighbors as delicate gifts, bringing much convenience to them and improving your relationship. Specifications: Material: tin copper core Colour: Black Size: as pictures shown Package Contents: 2 x Power analyzers Notes: It is suitable for systems below 60V and current below 150A, do not exceed the limit. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.